diff --git a/op/op.Ajax.php b/op/op.Ajax.php
index b8c07a535..f0433a53c 100644
--- a/op/op.Ajax.php
+++ b/op/op.Ajax.php
@@ -157,7 +157,7 @@ switch($command) {
 		}
 		break; /* }}} */
 
-	case 'subtree': /* {{{ */
+	case 'subtree': /* {{{ */ /* This operation is deprecated */
 		if($user) {
 			if(empty($_GET['node']))
 				$nodeid = $settings->_rootFolderID;